Foster, 68, popped the question to McPhee, 34, during their European vacation earlier this month, and she made the news public on July 3. After days of buzz about the engagement, some critical of the match, McPhee tweeted a pointed response on July 6.

"Y’all should be worrying more about registering to vote and midterm elections than who’s marrying me," she wrote. "Thank you for coming to my TED talk."

"And you know, obviously all of us have to balance what's going on out there," he said. "Social media, it's just the greatest thing in the world and also deadly. You know if you really wanted to deal with all the haters, I've had so many haters since social media started, and you just have to ignore the clutter and live your life, and I'm just living my best life right now."

As for the rest of their wedding-planning news, Foster directed interested fans to McPhee's social media feeds.

"I'll let you read about it on social media," he said. "I'm just really happy."